<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>  

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input v-model="querInfo.query" placeholder="请输入内容" clearable @clear="getGoodsList">
                        <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
                     </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table 表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="110px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="90px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time"width="160px">
                    <template slot-scope="scope">
                            {{scope.row.add_time | dataFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
                        <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeGood(scope.row)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
            background
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="querInfo.pagenum"
            :page-sizes="[1, 5, 10, 15]"
            :page-size="querInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
        </el-card>


    </div>
</template>

<script>
export default {
    data() {
        return {
            //查询参数对象
           querInfo:{  
               query:'',
               pagenum:1,
               pagesize:10,
           },
           goodslist:[],//商品列表
           total:0,//总数据条数
        }
    },
    created() {
        this.getGoodsList();
    },
    methods: {
        //根据分页获取对应的商品列表
        async getGoodsList(){
           const{data:res} = await this.$http.get(`goods`,{params:this.querInfo});
           console.log('res',res);
           if(res.meta.status != 200){
               return this.$message.error(res.meta.msg);
           }else{
               this.goodslist = res.data.goods;
               this.total = res.data.total;
               this.$message.success(res.meta.msg);
           }
        },
        handleSizeChange(newSize){
            this.querInfo.pagesize = newSize;
            this.getGoodsList();
        },
        handleCurrentChange(newPage){
            this.querInfo.pagenum = newPage;
            this.getGoodsList();
        },
        //删除商品
        async removeGood(row){
            // 其提示返回的是promines，不需要解构
            const res = await this.$confirm('此操作将永久删除该数据, 是否继续?', '提示',  {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }).catch(err =>err);
                console.log('res',res);
                // 如果用户确认删除，则返回为字符串 confirm
                // 如果用户取消删除，则返回为字符串 cancel
                if(res=='confirm'){
                    const {data:ress} = await this.$http.delete(`goods/${row.goods_id}`);
                    if(ress.meta.status != 200){
                        this.$message.error(ress.meta.msg);
                    }else {
                        //提示更新成功
                        this.$message.success(ress.meta.msg);
                        //重新获取用户列表数据
                        this.getGoodsList();
                    }
                }else{
                    return this.$message.info('取消删除成功');
                }
        },
        goAddpage(){
            this.$router.push('/goods/add');
        }

    },
}
</script>

<style lang="less" scoped>

</style>